Effective range of radiocarbon dating

Isotope methods for dating old groundwater - IAEA

The time periods listed here are intended to be purely chronological in nature rather than units that reflect cultural changes.

Radiometric Dating

However, we use the traditional names for various periods, names that have come to have cultural meanings for many. They are in such widespread use that it would be futile to try to change them now, but people familiar with the cultural implications should realize that in eastern Kansas there is a long temporal overlap between the Paleo Indian and Archaic ways of life (both are described below).

How Carbon-14 Dating Works -

Although a few pre-Clovis sites have been proposed in this region, there is as yet no strong evidence in Kansas for human occupation before Clovis at 11,000 B. The earliest inhabitants appear to have lived in small mobile bands and to have hunted large herd animals.

Radiocarbon Date calculation -

This way of life lasted until around 6,850 BC in the western part of the state, but in the east a different (Archaic) pattern emerges after 9,500 BC.Bayesian interpretation of radiocarbon results.